
// // Start by creating a class that holds some view the app's state. In
// // our example, we'll have a simple counter that starts at 0 can be 
// // incremented.
// //
// // Note: It must extend from Model.  
// import 'package:flutter/material.dart';
// import 'package:scoped_model/scoped_model.dart';

// class CounterModel extends Model {
//   int _counter = 0;

//   int get counter => _counter;

//   void increment() {
//     // First, increment the counter
//     _counter++;
    
//     // Then notify all the listeners.
//     notifyListeners();
//   }
// }

// // Create our App, which will provide the `CounterModel` to 
// // all children that require it! 
// class CounterApp extends StatelessWidget {
//   @override
//   Widget build(BuildContext context) {
//     // First, create a `ScopedModel` widget. This will provide 
//     // the `model` to the children that request it. 
//     return new ScopedModel<CounterModel>(
//       model: new CounterModel(),
//       child: new Column(children: [
//         // Create a ScopedModelDescendant. This widget will get the
//         // CounterModel from the nearest ScopedModel<CounterModel>. 
//         // It will hand that model to our builder method, and rebuild 
//         // any time the CounterModel changes (i.e. after we 
//         // `notifyListeners` in the Model). 
//         new ScopedModelDescendant<CounterModel>(
//           builder: (context, child, model) => new Text('${model.counter}'),
//         ),
//         new Text("Another widget that doesn't depend on the CounterModel")
//       ])
//     );
//   }
// }

// void main() => runApp(CounterApp());